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Posted By: srinivas Member Level: Gold Posted Date: 29 May 2008
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2007 Andhra Pradesh State Jawaharlal Nehru Technological University Bio-Engineering II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007 BIO PROCESS ENGINEERING-I Question paper
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Code No: RR222302 Set No. 3
II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007
BIO PROCESS ENGINEERING-I
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. What do you mean be fermentation and range of Fermentation process? [4+12]
2. (a) What is aseptic operation and containment? [4]
(b) Describe a typical aseptic, aerobic fermentation process. [4]
(c) What is sparger? Describe different spargers used in fermentors. [2+6]
3. Describe the use of precursors and metabolic regulators in media preparation.[16]
4. What is meant by filter sterilization? Explain its application in media sterilization.
[4+12]
5. Discuss the following:
(a) Medium formulation
(b) Yield factor. [8+8]
6. (a) Explain in detail the heat and energy in metabolic reactions.
(b) Give a brief note on Crabtree effect. [8+8]
7. (a) Enumerate the principle involved in the microbial growth taking an example.
(b) Differentiate between the growth in the batch and continuos systems. [8+8]
8. Explain the substrate and product inhibition on the product formation with
appropriate examples. [16]
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